Home / 72,062.24-99,444.24-40,234.08

Finding the Fourth Proportional to 72,062.24, 99,444.24 and 40,234.08

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Solution

The fourth proportional to 72,062.24, 99,444.24 and 40,234.08 is: 55,522.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,062.24 : 99,444.24 = 40,234.08 : x
  2. Step 2: Convert to fraction form
    72,062.24/99,444.24 = 40,234.08/x
  3. Step 3: Cross multiply
    72,062.24x = 99,444.24 × 40,234.08
  4. Step 4: Simplify right side
    72,062.24x = 4,001,047,507.70
  5. Step 5: Solve for x
    x = 4,001,047,507.70/72,062.24
  6. Step 6: Final answer
    x = 55,522.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.